Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tien manh » tien thanh, tieng anh, tran manh
cong than » cong thanh, cong thang, cong tan
than phan » thanh phan, toan phan, thanh pham
tien anh » tieng anh, dien anh, tien thanh
tranh va » tranh van, trang va, thanh va
trinh va » trinh van, trinh vat, trinh ve
phan cac » nhan cach, phan dau, phan lap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((tien anh) OR (tien manh)) - canh ((tranh va) or (trinh va)) thong cong than phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien anh) OR (tien manh)) - canh ((tranh va) OR (trinh va)) thong cong than phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((tien anh) OR (tien manh)) - canh ((tranh va) or (trinh va)) thong cong than phan cac".
• Adding a wildcard symbol may retrieve word variants: hoc ((tien anh) OR (tien manh)) - canh ((tranh va) or (trinh va)) thong cong than phan cac*.